/ Dictionary / Index S sunbow: Meaning and Definition of Find definitions for: sun•bow Pronunciation: (sun'bō"), [key] — n. a bow or arc of prismatic colors like a rainbow, appearing in the spray of cataracts, waterfalls, fountains, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sunbonnet sunbreak Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language